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Finding the Fourth Proportional to 360,525.47, 540,315.16 and 265,309.97

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Solution

The fourth proportional to 360,525.47, 540,315.16 and 265,309.97 is: 397,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,525.47 : 540,315.16 = 265,309.97 : x
  2. Step 2: Convert to fraction form
    360,525.47/540,315.16 = 265,309.97/x
  3. Step 3: Cross multiply
    360,525.47x = 540,315.16 × 265,309.97
  4. Step 4: Simplify right side
    360,525.47x = 143,350,995,525.30
  5. Step 5: Solve for x
    x = 143,350,995,525.30/360,525.47
  6. Step 6: Final answer
    x = 397,616.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.